Research Article

Three-Dimensional Physical Simulation of Heavy Oil Exploitation by Hot Solvent Injection

Table 3

Results of 3-D physical simulation experiments.

No.ExperimentSolventPermeability (μm2)Injection temperature (ºC)Back pressure (MPa)Recovery factor (%)Cumulative oil exchange rate (t/t)Solvent retention rate (%)

11n-pentane12.87200264.763.110.0
22n-pentane12.87160160.384.86.5
33n-pentane12.89150254.791.614.5
4Parnian Haghighatpropane250220.75831//
5propane250500.75860.86//
6propane250501.4687.54//